<template>
	<view>
		<view class="goods-list">
			<view v-for="(goods, i ) in goodsList" :key="i" @click="gotoDetail(goods)">  
				<my-goods :goods="goods"> </my-goods>
			</view>
			
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				//请求参数对象
				queryObj:{
					query:'',
					cid:'',
					pagenum:1,
					pagesize:10
				},
				goodsList: [],
				total: 0,
				//节流
				isloading:false
			};
		},
		onLoad(options){
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			
			
			this.getGoodsList()
		},
		methods:{
			//获取商品数据的列表
			async getGoodsList(cb){
				// 打开节流阀
				this.isloading = true
				const {data:res} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				// 关闭节流阀
				this.isloading = false
				cb && cb()
				if(res.meta.status !==200) return uni.$showMsg()
				
				this.goodsList = [ ...this.goodsList, ...res.message.goods]
				this.total = res.message.total
				
			},
			gotoDetail(goods){
				uni.navigateTo({
					url:'/subpak/goods_detail/goods_detail?goods_id=' + goods.goods_id
				})
			}
		},
		
		onReachBottom (){
			//判断数据是否加载完毕
			if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total)
			return uni.$showMsg('数据加载完毕')
			
			
			if(this.isloading) return
			
			// 让页码值自增+1
			this.queryObj.pagenum++
			this.getGoodsList()
		},
		onPullDownRefresh() {
			//重置关键数据
			this.queryObj.pagenum = 1
			this.total = 0
			this.isloading = false
			this.goodsList = []
			
			//重新发起请求
			this.getGoodsList(() => uni.stopPullDownRefresh())
		}
	}
</script>

<style lang="scss">

</style>
